Ul 263 Roof Assembly

Fire resistance ratings ansi ul 263 see general information for fire resistance ratings ansi ul 263 design no. Ul standard ul 1256 edition 4 standard for fire test of roof deck constructions edition date. 6 usg fire resistant assemblies test certification test conditions and fire and sound tested assemblies listed in this selector are based on characteristics properties and performance certificationof materials and systems obtained under controlled test conditions as set forth in the appropriate astm standard in effect at the time of test.

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